Glow-worm 801631 heat exchanger door Kit

Product Description

A replacement door kit for use in the heat exchanger of Glow-worm’s Eden, HXI, Ultracom, CXI, SXI and British Gas appliances. The heat exchanger transfers heat from a boiler’s burner to water. A primary heat exchanger is found in all boilers, using heat from a burner to raise the temperature of the water in the system while a secondary heat exchanger is present only in combis and allows the heat to be transferred between closed systems